Distance From Okchuk-tong Heliport to Mattala Rajapaksa International Airport

The distance from Okchuk-tong Heliport () to Mattala Rajapaksa International Airport (HRI) is 3491 miles or 5618 kilometers or 3032 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Okchuk-tong, Daecheongdo ( South Korea ) to Mattala ( Sri Lanka )?

A one-way nonstop (direct) flight between Okchuk-tong, Daecheongdo and Mattala takes around 8 hours 1 minutes.

Estimated flight time from Okchuk-tong Heliport, Okchuk-tong, Daecheongdo, South Korea to Mattala Rajapaksa International Airport, Mattala, Sri Lanka is 8 hours 1 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • - HRI

Kilometers		5618 km
Statute Miles		3491 miles
Nautical Miles		3032 nm
Avg. Time of Flight		8 hours 1 minutes

Okchuk-tong Heliport to Mattala Rajapaksa International Airport Flight Route Map - to HRI Flight Path

Location of Okchuk-tong Heliport & Mattala Rajapaksa International Airport is given below.
Click the map to view Okchuk-tong, Daecheongdo to Mattala nonstop flight path and travel direction.

Click to see flight route on Google Map between Okchuk-tong, Daecheongdo, South Korea and Mattala, Sri Lanka. .

Nonstop flight route between Okchuk-tong, Daecheongdo, South Korea and Mattala, Sri Lanka.

Time Difference Between the Airports • - HRI

Time difference between Okchuk-tong, Daecheongdo (South Korea) and Mattala (Sri Lanka) is 3 Hours 30 Minutes.
Mattala time is 3 Hours 30 Minutes behind Okchuk-tong, Daecheongdo.

Location	Local Time
Okchuk-tong, Daecheongdo (South Korea)	2026-03-19, 14:44:22 KST
Mattala (Sri Lanka)	2026-03-19, 11:14:22 +0530

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Okchuk-tong Heliport ( / ) Okchuk-tong, Daecheongdo, South Korea

Destination

Mattala Rajapaksa International Airport (HRI / VCRI) Mattala, Sri Lanka